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Effect of Zinc Doping on Structural, Optical, Magnetic, and Catalytic Behavior of Co3O4 Nanoparticles Synthesized by Microwave-Assisted Combustion Method. J CLUST SCI 2022. [DOI: 10.1007/s10876-022-02369-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Sundararajan M, Subramani A, Ubaidullah M, Shaikh SF, Pandit B, Jesudoss SK, Kamalakannan M, Yuvaraj S, Subudhi PS, Dash CS. Synthesis, Characterization and In Vitro Cytotoxic Effects of Cu:Co3O4 Nanoparticles Via Microwave Combustion Method. J CLUST SCI 2022. [DOI: 10.1007/s10876-022-02239-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Sundararajan M, Vidhya J, Revathi R, Sukumar M, Arunadevi B, Rajkumar R, Ramachandran S, Kamalakannan M, Dash CS, Rajabathar JR, Arokiyaraj S. Rapid synthesis and magnetic property characterization of Mg 2+ doped Co 3O 4 nanostructures. INORG NANO-MET CHEM 2022. [DOI: 10.1080/24701556.2021.2025400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- M. Sundararajan
- PG & Research Department of Physics, Paavendhar College of Arts & Science, Salem, Tamilnadu, India
| | - J. Vidhya
- Department of Physics, M.Kumarasamy College of Engineering, Karur, Tamil Nadu, India
| | - R. Revathi
- Department of Biotechnology, Periyar University PG Extension Centre, Dharmapuri, Tamil Nadu, India
| | - M. Sukumar
- Department of Physics, Anand Institute of Higher Technology, Chennai, Tamil Nadu, India
| | - B. Arunadevi
- PG & Research Department of Physics, Paavendhar College of Arts & Science, Salem, Tamilnadu, India
| | - R. Rajkumar
- Department of Electronics and Communication Engineering, Vel Tech Rangarajan Dr Sagunthala R&D Institute of Science and Technology, Chennai, Tamilnadu, India
| | - S. Ramachandran
- PG & Research Department of Physics, Arignar Anna College (Arts & Science), Krishnagiri, Tamil Nadu, India
| | - M. Kamalakannan
- Department of Basic Sciences, College of Fisheries Engineering, Dr. J. Jayalalithaa Fisheries University, Nagapattinam, India
| | - Chandra Sekhar Dash
- Department of Electronics and Communication Engineering, Centurion University of Technology and Management, Odisha, Bhubaneswar, India
| | | | - Selvaraj Arokiyaraj
- Department of Food Science and Biotechnology, Sejong University, South Korea
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Sakthivel P, Ramalingam RJ, Pradeepa D, Rathika S, Dash CS, Bhuvaneswari K, Sundararajan M, Subudhi PS, Al-Lohedan H. Preparation and Characterization of Mg Doped ZnAI₂O₄Spinel Nanoparticles. JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY 2021; 21:5659-5665. [PMID: 33980377 DOI: 10.1166/jnn.2021.19478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
In the present study, combustion technique is adopted to study the impact of Mg2+ ion doping on ZnAI₂O₄ nanoparticles (NPs). L-arginine is used as a fuel component. The Mg2+ ions play a pivotal role in persuading various characteristics of ZnAI₂O₄ NPs. Various characterization technqiues such as Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), energy dispersive X-ray analysis (EDX), high resolution scanning electron microscopy (HR-SEM), diffuse reflectance spectroscopy (DRS), Thermo-gravimetric/differential thermal analysis (TG-DTA) and vibrating sample magnetometer (VSM) were carried out in order to synthesize the nanoparticles. Single phase cubic spinel structure of ZnAl₂O₄ (gahnite) formation was confirmed from the XRD characterization process of the nanoparticles. Estimated average crystallite size range of 11.85 nm to 19.02 nm was observed from Debye-Scherrer. Spherical morphology with uniform distributions was observed from HR-SEM characterization images. From the band gap studies, the attained band gap values were found to lie within 5.41 eV-4.66 eV range. The ZnAl₂O₄ and Mg:ZnAl₂O₄ NPs exhibited super-paramagnetic nature confirmed by magnetic measurements. The obtained results make ZnAl₂O ₄and Mg:ZnAl₂O₄ NPs appropriate for various optical, catalytic, energy and data storage applications.
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Affiliation(s)
- P Sakthivel
- Department of Physics, Dr. N.G.P Arts and Science College, Coimbatore 641048, Tamilnadu, India
| | - R Jothi Ramalingam
- Surfactant Research Chair, Chemistry Department, College of Science, King Saud University, Riyadh 11451, Kingdom of Saudi Arabia
| | - D Pradeepa
- Department of Physics, Dr. N.G.P Arts and Science College, Coimbatore 641048, Tamilnadu, India
| | - S Rathika
- Department of Physics, Dr. N.G.P Arts and Science College, Coimbatore 641048, Tamilnadu, India
| | - Chandra Sekhar Dash
- Department of Electronics and Communication Engineering, GMR Institute of Technology, Rajam, 532127, Andhra Pradesh, India
| | - K Bhuvaneswari
- Department of Physics, Dr. N.G.P Arts and Science College, Coimbatore 641048, Tamilnadu, India
| | - M Sundararajan
- PG & Research Department of Physics, Paavendhar College of Arts & Science, M.V South, Attur, Salem 636121, Tamilnadu, India
| | - Partha Sarathi Subudhi
- Department of Electrical and Electronics Engineering, Nisantasi University, Maślak Mahallesi, Tasyoncasi Sokak, No: 1V ve No:1YBina Kodu: 34481742, 34398, İstanbul
| | - Hamad Al-Lohedan
- Surfactant Research Chair, Chemistry Department, College of Science, King Saud University, Riyadh 11451, Kingdom of Saudi Arabia
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Song Z, Liu Y, Lin X, Zhou Z, Zhang X, Zhuang J, Lei B, Hu C. Multiemissive Room-Temperature Phosphorescent Carbon Dots@ZnAl 2O 4 Composites by Inorganic Defect Triplet-State Energy Transfer. ACS APPLIED MATERIALS & INTERFACES 2021; 13:34705-34713. [PMID: 34254790 DOI: 10.1021/acsami.1c07391] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Room-temperature phosphorescence (RTP) with carbon dots (CDs) can be exploited further if the mechanism of trap-state-mediated triplet-state energy transfer is understood and controlled. Herein, we developed an in situ calcination method for the preparation of a CDs@ZnAl2O4 composite material that exhibits unique UV and visible light-excitable ultra-broad-band RTP. The ZnAl2O4 matrix can protect the triplet emissions of CDs by the confinement effect and spin-orbit coupling. In addition, benefitting from the efficient energy transfer between the inorganic trap state and the triplet state of CDs, the special yellow to red RTP of CDs@ZnAl2O4 composites can be realized. A slow-decaying phosphorescence at 570 nm with a lifetime of 1.05 s and a fast-decaying phosphorescence at 400 nm with a lifetime of 0.41 s were observed with UV irradiation of 290 nm, which originated from the surface and core triplet states of CDs, respectively. Based on the unique RTP performance, anti-counterfeiting and information encryption were successfully realized using the CDs@ZnAl2O4 composites with LED light or UV light.
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Affiliation(s)
- Zhijian Song
- Key Laboratory for Biobased Materials and Energy of Ministry of Education/Guangdong Provincial Engineering Technology Research Center for Optical Agriculture, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, P. R. China
| | - Yingliang Liu
- Key Laboratory for Biobased Materials and Energy of Ministry of Education/Guangdong Provincial Engineering Technology Research Center for Optical Agriculture, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, P. R. China
| | - Xiaomin Lin
- Key Laboratory for Biobased Materials and Energy of Ministry of Education/Guangdong Provincial Engineering Technology Research Center for Optical Agriculture, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, P. R. China
| | - Zhishan Zhou
- Key Laboratory for Biobased Materials and Energy of Ministry of Education/Guangdong Provincial Engineering Technology Research Center for Optical Agriculture, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, P. R. China
| | - Xuejie Zhang
- Key Laboratory for Biobased Materials and Energy of Ministry of Education/Guangdong Provincial Engineering Technology Research Center for Optical Agriculture, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, P. R. China
| | - Jianle Zhuang
- Key Laboratory for Biobased Materials and Energy of Ministry of Education/Guangdong Provincial Engineering Technology Research Center for Optical Agriculture, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, P. R. China
| | - Bingfu Lei
- Key Laboratory for Biobased Materials and Energy of Ministry of Education/Guangdong Provincial Engineering Technology Research Center for Optical Agriculture, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, P. R. China
| | - Chaofan Hu
- Key Laboratory for Biobased Materials and Energy of Ministry of Education/Guangdong Provincial Engineering Technology Research Center for Optical Agriculture, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, P. R. China
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